When I brake hard or quickly coming to stop the car will stop but a second later the car will bang like someone has run into the back of you.

If it doesn't bang... the other option is it will hesitate before moving like you were dumping the clutch and doing a holeshot.

Any related problems like this?

Gary

A very common complaint with 4-motion owners. Here's a recent thread:

http://www.automotiveforums.com/vbulletin/showthread.php?t=186003

This guy say's he's heard VW has a software solution:

http://www.automotiveforums.com/vbulletin/showthread.php?t=207932